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BLI效应下整流罩设计对翼型气动特性的影响

项洋 吴江浩 张艳来

项洋, 吴江浩, 张艳来等 . BLI效应下整流罩设计对翼型气动特性的影响[J]. 北京航空航天大学学报, 2016, 42(5): 945-952. doi: 10.13700/j.bh.1001-5965.2015.0802
引用本文: 项洋, 吴江浩, 张艳来等 . BLI效应下整流罩设计对翼型气动特性的影响[J]. 北京航空航天大学学报, 2016, 42(5): 945-952. doi: 10.13700/j.bh.1001-5965.2015.0802
XIANG Yang, WU Jianghao, ZHANG Yanlaiet al. Effects of cowling design on aerodynamic performance of airfoil with BLI[J]. Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(5): 945-952. doi: 10.13700/j.bh.1001-5965.2015.0802(in Chinese)
Citation: XIANG Yang, WU Jianghao, ZHANG Yanlaiet al. Effects of cowling design on aerodynamic performance of airfoil with BLI[J]. Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(5): 945-952. doi: 10.13700/j.bh.1001-5965.2015.0802(in Chinese)

BLI效应下整流罩设计对翼型气动特性的影响

doi: 10.13700/j.bh.1001-5965.2015.0802
详细信息
    作者简介:

    项洋 男,博士研究生。主要研究方向:飞机空气动力学。E-mail:xiangyangbuaa@buaa.edu.cn;吴江浩 男,博士,教授,博士生导师。主要研究方向:飞机空气动力学、仿生流体力学与飞行力学。Tel.:010-82316627 E-mail:buaawjh@buaa.edu.cn;张艳来 男,博士,讲师,硕士生导师。主要研究方向:飞机空气动力学。E-mail:zhangyanlai@buaa.edu.cn

    通讯作者:

    吴江浩,Tel.:010-82316627 E-mail:buaawjh@buaa.edu.cn

  • 中图分类号: V221.3

Effects of cowling design on aerodynamic performance of airfoil with BLI

  • 摘要: 边界层吸入(BLI)效应对飞行器气动特性的影响比较显著,而整流罩的设计会进一步影响BLI效应下的翼型气动特性。为了揭示BLI效应下整流罩的主要设计参数对翼型气动特性的影响及其原因,本文采用计算流体力学(CFD)和Morris敏感度分析相结合的方法对该问题进行了详细研究,得到了整流罩主要设计参数对翼型气动特性的敏感度排序和耦合影响程度排序;对敏感度较高和耦合影响较大的参数进行了流动分析。结果表明:在巡航和起飞2种状态下,对气动系数影响相对较大的设计参数是整流罩最大厚度和进气边界弦向位置,整流罩最大厚度对翼型气动特性影响的主要原因是整流罩背风面会发生局部分离,且其还会改变阻力-流量系数曲线的趋势;整流罩最大厚度和进气边界弦向位置对翼型气动特性的耦合影响作用较强。

     

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出版历程
  • 收稿日期:  2015-12-03
  • 刊出日期:  2016-05-20

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